Loading...


*  Critical Role of Interleukin-1β for Transcriptional Regulation of Endothelial 6-Pyruvoyltetrahydropterin Synthase |...
Measurement of Pterins. Pterins in culture supernatants were determined by high-performance liquid chromatography after acidic ... Curtius H-C, Blau N, Kuster T. Pterins. In: Hommes FS, ed. Techniques in Diagnostic Human Biochemical Genetics. New York, NY: ...
  http://atvb.ahajournals.org/content/23/11/e50
*  Human Metabolome Database: Showing metabocard for Molybdopterin (HMDB0002206)
These are pterin derivatives in which a pyran ring is fused either to the pyrimidine ring or the pyrazine ring of the pterin ... The pyranopterin structure is a fused ring system containing a pyran fused to pterin. In addition, the pyran ring is ...
  http://www.hmdb.ca/metabolites/HMDB0002206
*  Effect of Tetrahydrobiopterin on Endothelial Function in Canine Middle Cerebral Arteries | Circulation Research
However, the precise role of this pterin in regulation of NO synthase catalytic activity is still not completely understood. ... On the other hand, a high tissue concentration of tetrahydrobiopterin may favor movement of pterin across the concentration ...
  http://circres.ahajournals.org/content/79/2/336
*  Sensors | Free Full-Text | Pterins as Sensors of Response to the Application of Fe3+-Dextran in Piglets
Pterins (neopterin and biopterin) in the piglets' blood serum were analyzed by separation using reversed-phase HPLC. A single ... extends the rather modest current list of references on the role of pterins in livestock animals. ... aim of the presented study was to assess the effect of a single administration of Fe3+-dextran on immune cell counts and pterin ... Pterins as Sensors of Response to the Application of Fe3+-Dextran in Piglets. Miriam Smutna 1,* , Martin Svoboda 2. ...
  http://www.mdpi.com/1424-8220/10/1/890
*  Tetrahydrobiopterin biosynthesis, regeneration and functions | Biochemical Journal
Cofactor regeneration requires pterin-4a-carbinolamine dehydratase and dihydropteridine reductase. Based on gene cloning, ...
  http://www.biochemj.org/content/347/1/1
*  7-Substituted pterins in humans with suspected pterin-4a-carbinolamine dehydratase deficiency : mechanism of formation via non...
The 6-substituted pterin to 7-substituted pterin conversion occurs in the absence of pterin-4a-carbinolamine dehydratase and is ... The 6-substituted pterin to 7-substituted pterin conversion occurs in the absence of pterin-4a-carbinolamine dehydratase and is ... 7-Substituted pterins in humans with suspected pterin-4a-carbinolamine dehydratase deficiency : mechanism of formation via non- ... 7-Substituted pterins in humans with suspected pterin-4a-carbinolamine dehydratase deficiency : mechanism of formation via non- ...
  https://kops.uni-konstanz.de/handle/123456789/7681
*  Regulation of Tetrahydrobiopterin Biosynthesis by Shear Stress | Circulation Research
This inhibited the shear-induced H4B increase without changing the ratio of H4B to oxidized pterins (Figure 6A). Basal NO ...
  http://circres.ahajournals.org/content/101/8/830
*  Expanded newborn metabolic screening programme in Hong Kong: a three-year journey | HKMJ
Her urinary pterins were normal. Her plasma phenylalanine levels were monitored for 2 years, and ranged from 210 to 434 µmol/L ...
  http://www.hkmj.org/abstracts/v23n5/489.htm
*  History of Plumage Carotenoids | Proceedings of the Royal Society of London B: Biological Sciences
2007 Contributions of pterin and carotenoid pigments to dewlap coloration in two anole species. Comp. Biochem. Physiol. B 146, ... 2006 Mechanics of uncommon colours: pterins, porphyrins, and psittacofulvins. In Bird coloration. I. Mechanisms and ...
  http://rspb.royalsocietypublishing.org/content/281/1788/20140806
*  Structure-pigment interactions | Philosophical Transactions of the Royal Society B: Biological Sciences
2006 Mechanics of uncommon colors: pterins, porphyrins, and psittacofulvins. In Bird coloration, vol. 1 (eds GE Hill and KJ ... b) Red pterin pigments in the butterfly Pachliopta hector. (c) Blue structural colour in feathers of the laughing kookaburra ... Pterin pigments found in butterflies (figure 1b) [18,19] strongly absorb at a range of wavelengths, enabling production of ... 2007 Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the ...
  http://rstb.royalsocietypublishing.org/content/372/1724/20160536
*  Link 3
RED (carotinoids, pterins, ommocromes, porphirins, naftoquinones, anthraquinone). GREEN (schemochromes, bile pigments, ...
  http://www.tightrope.it/nicolaus/link3.htm
*  Formic Acid - DrugBank
Pterin Biosynthesis (Folate Precursor). Metabolic. Pterine Biosynthesis. Metabolic. Folate Metabolism. Metabolic. Pravastatin ...
  https://www.drugbank.ca/drugs/DB01942
*  Aicardi-Goutières syndrome - Wikipedia
2003). "Cerebrospinal fluid pterins and folates in Aicardi-Goutières syndrome: a new phenotype". Neurology. 61: 642-7. doi: ...
  https://en.wikipedia.org/wiki/Aicardi%E2%80%93Gouti%C3%A8res_syndrome
*  Folic Acid and Tetrahydrofolates in Cell Culture | China-Mainland | Sigma-Aldrich
It is composed of a pterin ring; a para-amino benzoic acid residue (PABA) and a glutamate residue. Active forms of folic acid ... are tetrahydrofolates that are reduced at atoms 5,6,7, and 8 of the pterin ring. One-carbon groups associated with active ...
  https://www.sigmaaldrich.com/china-mainland/zh/life-science/cell-culture/learning-center/media-expert/folic-acid.html
*  Ricin Exposure Medication: Antibiotics, Other, Alpha/Beta Adrenergic Agonists, Vaccine, Inactivated (Bacterial), Antidotes,...
7-Substituted pterins provide a new direction for ricin A chain inhibitors. Eur J Med Chem. 2011 Sep. 46(9):3608-15. [Medline] ...
  https://emedicine.medscape.com/article/830795-medication
*  Negishi coupling of pteridine-O-sulfonates
6-(Phenyl)pterin (12)12. 4-Amino-2-(N,N-dimethylaminomethyleneamino)-6-(phenyl) pterin 5 (150 mg, 0.512 mmol) was treated with ... 6-(Furan-2-yl)pterin (14). 4-amino-2-(N/N-dimethylaminomethyleneamino)-6-(furan-2-yl)pterin 9 (150 mg, 0.530 mmol) was treated ... The first total synthesis of pterins was reported in the 1940s and since then a number of naturally occurring pterins and their ... to give the corresponding 6-substituted pterin and pteridine rings, respectively (Scheme 2).4-6 A number of natural pterin ...
  http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0379-43502013000100007&lng=pt&nrm=iso&tlng=en
*  Hypoxanthine oxidase | definition of hypoxanthine oxidase by Medical dictionary
Also oxidizes hypoxanthine, some other purines and pterins, and aldehydes. A lower rate of oxidation is observed in patients ... Flavoprotein containing molybdenum; also oxidizes hypoxanthine, some other purines and pterins, and aldehydes. ...
  https://medical-dictionary.thefreedictionary.com/hypoxanthine+oxidase
*  Hyperphenylalaninemia due to dehydratase deficiency | Genetic and Rare Diseases Information Center (GARD) - an...
... due to pterin-4-alpha-carbinolamine dehydratase deficiency; CADH deficiency; PCBD deficiency; Pterin-4 alpha-carbinolamine ... Dehydratase deficiency or pterin-4 alpha-carbinolamine dehydratase (PCD) is considered a transient and benign form of ... and an accompanying excretion of 7-substituted pterins. Neurological developement is normal with dietary control of blood ... due to pterin-4-alpha-carbinolamine dehydratase deficiency See More ...
  https://rarediseases.info.nih.gov/diseases/2843/hyperphenylalaninemia-due-to-dehydratase-deficiency
*  From the Dawn of Organic Chemistry to Astrobiology: Urea as a Foundational Component in the Origin of Nucleobases and...
Marín-Yaseli MR, Mompeán C, Ruiz-Bermejo M (2015) A prebiotic synthesis of pterins. Chem Eur J 21(39):13531-13534PubMedCrossRef ... Menor-Salván C, Fialho D, Hud NV (2018) Prebiotic origin of nucleobases, pterins and purine nucleosides in urea and hydantoin ...
  https://link.springer.com/chapter/10.1007%2F978-3-319-93584-3_4
*  ICD-9-CM Diagnosis Code 270.1 : Phenylketonuria [PKU]
Pterin-4-carbinolamine dehydratase deficiency. *Transient hyperphenylalaninemia. Clinical Information. *A disorder ...
  http://www.icd9data.com/2015/Volume1/240-279/270-279/270/270.1.htm
*  Pcbd1 - ddPCR Probe - Digital PCR | PrimePCR | Bio-Rad
This gene encodes a member of the pterin-4-alpha-carbinolamine dehydratase family. The encoded protein has been identified as a ...
  http://www.bio-rad.com/en-us/prime-pcr-assays/assay/drnocpe5151363-primepcr-ddpcr-expression-probe-assay-pcbd1-rat